Blocks external extensions from being installed

Supported on: Microsoft Edge version 88, Windows 7 or later

Registry

HKLM Software\Policies\Microsoft\Edge

HKCU Software\Policies\Microsoft\Edge

Value name: BlockExternalExtensions

Enabled: BlockExternalExtensions = 1

Disabled: BlockExternalExtensions = 0

Description

Control the installation of external extensions. If you enable this setting, external extensions are blocked from being installed. If you disable this setting or leave it unset, external extensions are allowed to be installed. External extensions and their installation are documented at [Alternate extension distribution methods](/microsoft-edge/extensions-chromium/developer-guide/alternate-distribution-options).